56556554106 has 16 divisors (see below), whose sum is σ = 121814116704. Its totient is φ = 17402016624.

The previous prime is 56556554081. The next prime is 56556554107. The reversal of 56556554106 is 60145565565.

It is not an unprimeable number, because it can be changed into a prime (56556554107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362541936 + ... + 362542091.

It is an arithmetic number, because the mean of its divisors is an integer number (7613382294).

Almost surely, 2^56556554106 is an apocalyptic number.

56556554106 is an abundant number, since it is smaller than the sum of its proper divisors (65257562598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56556554106 is a wasteful number, since it uses less digits than its factorization.

56556554106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725084045.

The product of its (nonzero) digits is 2700000, while the sum is 48.

The spelling of 56556554106 in words is "fifty-six billion, five hundred fifty-six million, five hundred fifty-four thousand, one hundred six".